#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int yes(char p)
{
	if (p == 'a' || p == 'u' || p == 'o' || p == 'i' || p == 'e'||p == 'A' || p == 'U' || p == 'O' || p == 'I' || p == 'E')
	{
		return 1;
	}
	else
	{
		return 0;
	}
}
int main()
{
	char arr[100];
	gets(arr);
	char* p = arr;
	while (*p!='\0')
	{
		char a = *p;
		int is = yes(a);
		if (*p == 'A' || *p == 'U' || *p == 'O' || *p == 'I' || *p == 'E')
		{
			p++;
			continue;
		}
		else if (*p >= 97 && *p <= 122 && is == 0)
		{
			p++;
			continue;
		}
		else if (is==1)
		{
			*p = *p - 32;
		}
		else if (*p >= 65 && *p <= 90)
		{
			*p = *p + 32;
		}
		p++;
	}
	printf(arr);
	return 0;
}